| Grimstad to Massarosa | 1,002.80 mi (1,613.85 km) |
| Grimstad to Matelica | 1,059.32 mi (1,704.82 km) |
| Grimstad to Matera | 1,270.77 mi (2,045.11 km) |
| Grimstad to Matino | 1,333.17 mi (2,145.54 km) |
| Grimstad to Mazzarino | 1,475.62 mi (2,374.79 km) |
| Grimstad to Meda | 876.01 mi (1,409.80 km) |
| Grimstad to Medesano | 941.28 mi (1,514.84 km) |
| Grimstad to Medicina | 966.11 mi (1,554.81 km) |
| Grimstad to Meldola | 992.62 mi (1,597.46 km) |
| Grimstad to Melegnano | 897.48 mi (1,444.35 km) |
| Grimstad to Melendugno | 1,320.46 mi (2,125.07 km) |
| Grimstad to Melfi | 1,237.34 mi (1,991.31 km) |
| Grimstad to Melilli | 1,491.23 mi (2,399.91 km) |
| Grimstad to Melito di Napoli | 1,229.00 mi (1,977.88 km) |
| Grimstad to Melito di Porto Salvo | 1,447.63 mi (2,329.74 km) |
